Some examples of kingdoms are; Monera, Protista, Fungi, Plantae, Animalia. These are the 5 species of the living bioligies in this world. These are some examples of kingdoms. Even though they are not used to define any region/s ruled by a king or queen, they are still used to classify the living things on earth. Therefore a kingdom could have multiple meanings; not just the meaning of a region ruled by a king or queen.